If you are uncertain whether you are talking about disability insurance or critical illness, know that there is a world of difference between the two types of insurance. The first type is protection that covers you when you get an injury or illness that prevents you from working for a while. The second one helps you to pay the bills when you get diagnosed with a critical illness such as cancer. Disability insurance is only for a temporary condition (such as if you break your sternum, for example) which will heal after some time. It is important to know how to calculate disability insurance. This is estimated with allowances you receive at the times you choose, such as months or weeks. Disability insurance is good for a self-employed individual or a contractor for when you cannot work due to an accident or injury. Without protection, you would have to pay the bills even when you have no income due to a fall or illness. An entrepreneur is in good hands with disability insurance because he will receive money while recovering from an injury or condition.